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AAA Authorization
The system enables AAA new-model by default.
You can set authorization to be either local or remote. Different combinations of authentication and
authorization yield different results. By default, the system sets both to local.
Privilege Levels Overview
Limiting access to the system is one method of protecting the system and your network. However, at
times, you might need to allow others access to the router and you can limit that access to a subset of
commands. You can configure a privilege level for users who need limited access to the system.
Every command in the Dell Networking OS is assigned a privilege level of 0, 1, or 15. You can configure
up to 16 privilege levels. The system is pre-configured with three privilege levels and you can configure
13 more. The three pre-configured levels are:
• Privilege level 1 — is the default level for EXEC mode. At this level, you can interact with the router,
for example, view some show commands and Telnet and ping to test connectivity, but you cannot
configure the router. This level is often called the “user” level. One of the commands available in
Privilege level 1 is the enable command, which you can use to enter a specific privilege level.
• Privilege level 0 — contains only the end, enable, and disable commands.
• Privilege level 15 — the default level for the enable command, is the highest level. In this level you
can access any command in the system.
Privilege levels 2 through 14 are not configured and you can customize them for different users and
access.
After you configure other privilege levels, enter those levels by adding the level parameter after the
enable command or by configuring a user name or password that corresponds to the privilege level. For
more information about configuring user names, refer to Configuring a Username and Password.
By default, commands in the Dell Networking OS are assigned to different privilege levels. You can access
those commands only if you have access to that privilege level. For example, to reach the protocol
spanning-tree
command, log in to the router, enter the enable command for privilege level 15 (this
privilege level is the default level for the command) and then enter CONFIGURATION mode.
You can configure passwords to control access to the box and assign different privilege levels to users.
The system supports the use of passwords when you log in to the system and when you enter the
enable command. If you move between privilege levels, you are prompted for a password if you move
to a higher privilege level.
Configuration Task List for Privilege Levels
The following list has the configuration tasks for privilege levels and passwords.
• Configuring a Username and Password (mandatory)
• Configuring the Enable Password Command (mandatory)
• Configuring Custom Privilege Levels (mandatory)
• Specifying LINE Mode Password and Privilege (optional)
• Enabling and Disabling Privilege Levels (optional)
Security
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